This Irish museum in a historic 19th century market pays tribute to the glory of butter.

The ancient tomb acts as a calendar that keeps perfect time.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

This elegant arc of a waterfall marks a religious turning point.

The most powerful waterfall in all of Europe.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Medicinal spa created with the discharge from a geothermal energy plant.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

It houses the remains of a 17th-century version of the Titanic.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Monasteries on rock pillars, once accessible only by frayed ropes.

Georgetown’s most impressive building is also one of the tallest wooden churches in the world.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

A small 12th-century temple surrounded by waters believed to have curative properties.

A battle between nature and architecture in the Cambodian jungle.

A striking symbol of the Bulgarian capital.

As one of the world's largest hydroelectric dams this plant took two countries to get built.

There is only one place in the world where the corners of four nations come together.

The place where World War I began.

This ship carrying cargo and four church bells for the Catedral Metropolitana Nossa Senhora Aparecida ran aground in 1968.

Rolling sand dunes of the Sahara... in the middle of the Atlantic Ocean.

An ancient Incan convent on Lake Titicaca's Island of the Moon.